Lake Mezzano is a really small volcanic lake, north of lake Bolsena (it is supposed the two lakes are in connection through deep channels). It is deep and dangerous for swimming, since whirls originate from time to time. Fishing from the shore is possible only in few spots and the best solution is a belly boat or a kayak, It contains pike, black back, tench, perch, chub and lavarel. The lake gives birth to river Olpeta, a very small stream running through a rough and wild narrow valley before entering river Fiora.
Lake Mezzano is somehow lost in the middle of nature: only one or two houses facing its water and only one rough and hard road.
Best period is summer and autumn. Strong tackle and big flies (streamers).